— While pumping lost circulation material. • Separate steering and survey frames. • Configurable to meet local field conditions. Some of these include: • Key data points.
c o r p o r a t e m a r k e t i n g @ n o v. — Annulus pressure. services. decoded. BlackStar provides you with a cost effective solution for EM MWD applications.com
. EM systems send information to the surface through the earth’s crust utilizing low frequency electromagnetic waves. — High side gamma.nov. c o m
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www. — Azimuth. • Electronic design eliminates mechanical parts.
BlackStar EM MWD Tools
MWD applications involve the sending of measurements made by instruments located at the bottom of the hole back to the surface to allow the crew to understand such things as the location and orientation of the drill bit. • Variable data transmission speeds. Information is received at a surface antenna. Features The BlackStar EM MWD offers many key advantages over more traditional MWD systems. • Variety of fluid conditions.
transmission. Combining the latest in EM technology with the most durable and efficient design on the market. — Downhole revolutions per minute (RPM). • Compact and battery powered. Traditional MWD systems transmit information to the surface by sending pressure pulses through the drilling fluids or wire transmission. — Total gamma (directional and 360°). — Vibration. — Low side gamma. — Near-bit inclination. including: — Magnetic/gravity tool faces. • Data output in standard Wellsite Information Transfer Standard format. Our state-of-the-art BlackStar EM MWD system sets the standard for downhole data acquisition. and then processed by a computer and distributed to the driller’s readout display without the encumbrance of mud or wire
Every BlackStar kit is packed and transported in durable and waterproof cases. • Can be used with a variety of tubular sizes. such as: — Aerated mud. • Does not require pump pressure.Downhole Instrumentation Catalog
Downhole Instrumentation (DHI)
Measurement While Drilling (MWD)
National Oilwell Varco is a world leader in downhole tools. and technology.

You can access the data with NOV’s WellData Real-Time website. c o r p o r a t e m a r k e t i n g @ n o v. c o m
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www. thus providing an improved method of geo-steering by adding the ability to record oriented gamma measurements while the drill string is rotating.
WellData integrated with BlackStarConnect can monitor the directional tools progress from spud to total depth. This offers the flexibility to make changes.com
. stay in a formation for as long as possible to increase rig production
The gamma ray detection will graph the hi-side and lo-side gamma to further evaluate well plan formation changes
With a WITS feed directional tool. Through the satellite feed. monitor status. information will now be placed on the RigSense EDR screen to monitor with all other drilling parameters. and troubleshoot operations from a remote location.nov. Features • Allow the expertise of a directional driller to monitor five or more rigs at a time from a remote location to decrease operating costs • Troubleshoot real-time to the rig with any rig interference data disturbing your directional tools • Adjust the well plans real-time and no longer have costly rig shutdowns to make corrective actions • With the use of the BlackStar DRG. The DRG technology will allow the driller to make more rapid determination of the approaching bed boundary changes and make corrections to adjust his drilling program to stay within the desired zone. you can make up-to-thesecond changes on your directional tool parameters.
BlackStarConnect
NOV’s BlackStarConnect integrated with RigSense can allow detection of directional drilling operations remotely. Utilize our RigSense EDR system through a WITS connection to add the accessibility of remote operations for your directional tools.Downhole Instrumentation Catalog
Downhole Instrumentation (DHI)
BlackStar Dynamic Rotational Gamma (DRG)
The NOV BlackStar DRG provides the ability to make an accurate measurement of the natural radioactivity emitting from either the high side and the low side of the well bore while drilling.

• The modular 1¾" sonde instrument couples directly to the Steering Tool assembly (directional + gamma) sensor suite and locks into the Oriented Pressure Sub Assembly. as well as hydraulics optimization for under balanced drilling applications. with optional gamma and pressure sensors. • The Gamma Module will accurately chart shale bed stratification.
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BlackStar Wireline Steering Tool
The BlackStar Wireline Steering Tool is made up of a Directional Digital Measurement Unit (DMU) with a steering module acting as a modem to communicate by electric wireline to the surface system at a data transmission rate of 1200 baud. Surface System A compact surface wireline power supply and interface provides power to the Wireline Steering Tool and connects to the serial port on an Windows® compatible PC. The system offers many advantages for real-time borehole measurements for a variety of drilling applications including under balanced. • 1 ¾" OD downhole running gear with centralization. The PC receives continuous real-time data updates from the downhole instrument via the surface Interface Unit (IFU) and calculates angular data of the borehole. Downhole Gamma Module The addition of a Natural Gamma Module provides directional drillers with timely gamma log information to allow real-time formation correlation and target identification for tighter well placement.com
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c o r p o r a t e m a r k e t i n g @ n o v. • Axial and lateral shock/vibration sensors outputting time averaged peak values.nov. hole collapse. • Rig floor display unit. short radius. particularly in wells with potential problems as lost circulation. • Gamma logging provides bed correlation in both field appraisal and development drilling to aid with casing point and core point selection. formation fluid influx. c o m
. and air drilling. The addition of wellbore and annulus pressure sensors to the steering tool suite offers significant operational flexibility and efficiency benefits. slimhole.nov. enabling offset well correlations for better depth control and safer drilling practices within difficult geological environments.www. • Surface wireline power supply and computer. The surface software then provides service functions and transmits data to the RFD unit. differential sticking and poor hole cleaning (cuttings build up). The Steering Tool system is made up of the following: • Downhole steering tool directional probe. • Real-time annular and drill pipe pressure measurements. Downhole Pressure Probe While drilling pressure and vibration measurements provide the necessary information for overall motor/bit/ROP performance improvement. • Choice of further transducer ratings dependent on customer accuracy and pressure requirements are available.

Above is an example of recorded 2-axis vibration and temperature data versus time.csv file for easy viewing of the axial/ lateral vibration. • High temperature operation at 150º C (302° F).
c o r p o r a t e m a r k e t i n g @ n o v. • Easy to use surface interface kit and software for data evaluation.652”) x 19. as per the example above.csv format. Housed in a 92.
A graph is produced from a . • Replaceable battery for easy serviceability.05 mm (0. • Can be customized further for specific monitoring applications. c o m
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www. • Nickel alloy construction cartridge for improved wear.75”) diameter cylindrical cartridge. the battery powered Data Logger can be configured and downloaded in the field by way of a mini USB interface to a PC USB port. • Vital information for post-run string component failure analysis. • Calibrated accelerometer output in G RMS for both axial and lateral measurements.com
. together with temperature against time and can be graphically displayed on downloading. Downloaded memory files can be processed for graphic display and integrated with other data sets via Excel in a .8 mm (3. • From 4 seconds to 66 minutes sampling interval option. • Vibration threshold (G RMS) and sampling intervals are selectable by user in the field or maintenance shop. The software has a capability to enable the user to zoom in for closer interrogation at any point on the time line.nov. Both axial and lateral accelerations are measured with output calibrated in G’s.Downhole Instrumentation Catalog
Downhole Instrumentation (DHI)
Russel Sub-Surface Systems (RSS) Calibrated Downhole Data Logger
The Russell Sub-Surface Calibrated Data Logger represents a new sensor development to record downhole drill string vibration events as determined by a user pre-set minimum threshold. Applications and Benefits • Monitor drill string vibration activity and temperature over time for equipment tracking.

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Directional Digital Measurement Unit (DMU)
The Directional Digital Measurement Unit (DMU) has been designed to provide low-cost.www.0° azimuth and is typically used in borehole
measurement instruments for directional drilling and surveying applications within the oil and gas industry. high-accuracy survey measurements under extreme shock and vibration. and hard rock drilling) Silicon for low temperature steering and multishot survey duty
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c o r p o r a t e m a r k e t i n g @ n o v. industry standard MWD sensors Trax for robust tool-face output in high vibration applications (underbalanced. • Superior accuracy due to sensor performance and the minimization of thermal errors using a digital sensor module. • Small size for slimhole and short radius applications. • Minimum length of 18 inches and instrument O. of 1. c o m
. The DMU is designed to nominally provide measurement accuracies of 0. • High temperature capability (no need for thermal flasks in most applications). The unit includes integral
analog to digital conversion and processing electronics supplying calibrated data streams for each sensor. • High reliability and reduced operating costs. removing the need for separate calibration in users’ target systems.nov. • Customizable for standard mounting arrangement. Benefits • Modular design offers ultimate flexibility. The communications bus enables a “Plug and Play” capability for a suite of add-on RSS sensor modules or customer systems.
The module incorporates highly reliable sensor technology which has been custom-designed for borehole applications and provides a small diameter (1.nov.04 inches suits slimhole and short radius work. The DMU is a multi-purpose directional module enabling a flexible approach to custom applications which incorporates a tri-axial accelerometer set and three fluxgate magnetometers to provide an all-angle measurement capability. coil tubing. • Standard serial peripheral interface provides multi-sensor option that can be used for verification and/or sensor redundancy purposes.1° inclination and 1.
*Options The DMU can be offered with a choice of accelerometer sets: Quartz hinge for high accuracy.04”) measurement while drilling package for original equipment manufacturer (OEM) applications.

1° inclination and ±1.000 psi) • Connectors (as required by customer) • Electrical generator assembly • Thrust and radial bearings • Run time logging • Flow tube installation for high flow rates
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Analog Measurement Unit (AMUT) log
The RSS Analog Measurement Unit has been designed to provide low cost. and vibration. high accuracy directional measurements under extremes of temperature. The uments directional measurement unit consists of 3 quartz flex accelerometers and three magnetometers tional to provide tri-axial all angle measurement capability. A separate her calibration data set is then provided to customers for incorporation in their target system. A separate calibration data set is then provided to customers for incorporation into their target system.1° inclination and 0.Downhole Instrumentation Catalog
Downhole Instrumentation (DHI)
Analog Measurement Unit (AMUQ)
The RSS Analog Measurement Unit (AMUQ) has been designed to provide high accuracy directional measurements under extremes of temperature. and is typically used in borehole measurement instruments for directional drilling and surveying applications within the utility and oil and gas industries. Flow associated wear parts are field replaceable and serviceable. The module combines a tri-axial Honeywell Q-Flex® and fluxgate set. shock and vibration.
Applications and Benefits • Low cost maintenance • Field replaceable flow parts • Wear and flow parts are configurable in the field • 50 watts of regulated DC power at 2000 RPM (higher power options available) • Impellers can be designed to meet customer specific requirements • 1 7/8" Pressure housing • A range of collar IDs can be accommodated • Overall length approximately 41" • High Temperature capability • Electrical connectors specified by the customer • Retrievable option available c o r p o r a t e m a r k e t i n g @ n o v. shock. high accuracy. high accuracy flexible measurement package for OEM applications. c o m
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The package is made up of the following elements: • External pressure capability (20. which are custom designed to provide a small diameter.
The unit is designed to provide measurement span accuracies of 0. It is designed to nominally provide measurement accuracies of ±0.nov.0° azimuth. The module combines the RSS TRAX tri-axial accelerometer fluxgate set which is custom designed to provide a small diameter.
Downhole Electrical Generator
The RSS Downhole Electrical Generator provides regulated power and is ideal for the replacement of lithium battery systems and flow switches. flexible measurement package for OEM applications. The AMUQ is supplied with an analog ovide output and provides raw (uncalibrated) sensor output voltages proportional to the strength ut of either the gravitational or magnetic field experienced by the respective receptor. The DMU consists of a three axis RSS accelerometer (TRAX) and three magnetometers to provide tri-axial all angle measurement capability.com
. The AMUT provides uncalibrated sensor output voltages proportional to the strength of either the gravitational or magnetic fields experienced by the respective sensor. A 10-way through conductor mechanical interface connection may be customized to suit customer requirements.75° azimuth over the full temperature range and is typically used in borehole measurement uth instruments for directional drilling and surveying applications within the oil & gas industry.

This information. when used in conjunction with the NOV pressure module data. c o m
. • Real-time weight on bit annular and drill pipe pressure measurements. indications of load at surface will not be an accurate indication of what is actually happening downhole. This instrument is a real-time weight on bit gauge for measuring downhole loads during drilling operations that interfaces directly to the NOV wireline steering (directional and gamma) Tool sensor suite. • Bottom Hole Assembly (BHA) shock and vibration. knowledge of this instrument gives a valuable insight into coiled tubing drilling operations. In highly deviated and horizontal wells. provides the necessary parameters required to optimize drilling efficiency.nov. • Axial and lateral shock/vibration sensors.nov. The Excel Measurement Unit has been specifically engineered to be a direct replacement for other manufacturers’ directional modules within their own MWD system. monitoring of forces experienced downhole can be assessed in realtime. • High accuracy bore and annulus pressures.com
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c o r p o r a t e m a r k e t i n g @ n o v. particularly in the event of poor weight transfer. Suitable interfacing with computers and quality assurance data configuration checking facilitate this capability. The CTD downhole pressure and weight on bit sensor also incorporates vibration sensors. Real-time measurements • Tension and compression loads (fully compensated for drill bit pressure drop). With the CTD downhole pressure and weight on bit sensor.
Benefits • Low cost • Choice of accelerometer packages dependent on applications — TRAX or Quartz hinge • Easy to integrate and use with existing mud pulse system assets — both downhole and surface. • Temperature sensor. In addition to accurate bore and annulus pressure. The tool can be configured with a choice of either a TRAX (TT150) or quartz hinge (TQ150) accelerometer package to fit both 1.5” or 1. connectors can be modified for customer specific needs • Built-in system level checking features and trouble shooting • Tool set up and testing communications via interface box and laptop • Sensor package only or with pressure housing/bulkheads options • Gamma ray facility allows for the processing of natural gamma data
Coiled Tubing Drilling (CTD) Downhole Pressure and Weight-On-Bit Sensor
The NOV CTD downhole pressure and weight on bit sensor complements the NOV steering tool capability. The tool is made up of a controller and directional sensor.
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Features eatures • Modular subsurface instrument which couples directly to the steering tool (directional and gamma) sensor suite. using standard multi-pin connectors to enable the sensor package to fit customer specific snubber and sensor end assemblies and has the ability to be pre-configured with selectable data strings in conjunction with existing surface equipment. • Torque on bit also available.875” pressure housings and comes with a separate interface box to allow tool set up and surface testing communications via laptop computer. offering a cost effective modular alternative to the industry standard.www.com
Excel Measurement Unit
NOV’s Excel Measurement Unit represents the next generation of subsurface directional oilfield measurement while drilling (MWD) surveying sensors.

The steering tool is fitted into a single pressure housing of either 13/8" or 1¾" OD.04 inches. and utility applications • Fully configurable to customer requirements • Magnetic interference correction software available. mining. eliminating the need to stop circulation • Small size eliminates the need for instrument articulation • High temperature option • Superior accuracy due to sensor performance and calibration • Easy use of Microsoft® Windows-based steering and well guidance software • Built-in checking features and system trouble shooting • Versatility of use in oilfield. including: • High reliability through the use of industry standard tri-axial accelerometers • Small size for slimhole and short radius applications • High temperature capability of up to 5 1/2 hours at 315°C in heat shield (eliminating the need for high cost thermal flasks in most applications) • Superior accuracy due to sensor performance and the minimization of thermal errors due to the use of a digital sensor module • Standard interface providing multi-sensor options can be used for verification and/or sensor redundancy purposes • Reduced operating costs due to lower power consumption and R&M cycles • High capacity data storage (5000 shots) providing increased data resolution and extended downhole time • Both multishot and single shot running options • 32-bit surface processing software with magnetic interference routines • Custom designed mechanical/hydraulic decelerator available for ‘Go Devil’ work • Double battery stack allows for 60 hours (Alkaline)/90 hours (Lithium) operation (based on one survey shot per minute)
Natural Gamma Ray Module (NGM)
c o r p o r a t e m a r k e t i n g @ n o v. Downhole steering tool probe The directional sensor consists of an RSS fluxgate set and a choice of tri-axial Honeywell Q-Flex® or TRAX accelerometers.
Applications and benefits • High reliability and reduced operating costs through the use of RSS sensor technology • Survey data while drilling. short radius and slimhole drilling.nov. c o m
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www. in time to make any directional course corrections.Downhole Instrumentation Catalog
Downhole Instrumentation (DHI)
Miniature Steering Tool (RST)
The NOV RSS Miniature Steering Tool can be run on standard electrical wireline. Surface system A compact surface wireline power supply and interface provides power to the RST and connects to the serial port on the computer. It is made up of a Directional digital Measurement Unit (DMU) with a steering module acting as a modem link by wireline to surface. The MMT provides definitive survey information.
Applications and benefits The MMT provides a sophisticated multishot service package offering a number of advantages.com
. The computer receives continuous real-time data updates from the downhole instrument via the surface interface unit and calculates angular data of the borehole. The RST system offers many advantages for real-time borehole measurements for a variety of drilling applications including under balanced. Miniature Multishot Tool (MMT) The Advanced Miniature Multishot Tool (MMT) represents the current generation of open hole/drill pipe survey instruments with an OD of 1. A hard copy of the data is also available. with a data transmission rate of 1200 baud. Overall tool length is 24 inches. The surface software then provides service functions and transmits data to the rig floor display unit. The signals from these sensors are sent via the steering module by way of an insulated wireline cable to the surface computer. corrected for magnetic interference. and can be run at any time during the drilling process or prior to making a bit trip. These sensors enable the azimuth and inclination of the borehole to be accurately measured.

5 inches.nov. enabling faster sampling capability and data updates
Downhole Pressure Sub
The RSS sonde mounted modular Downhole Pressure Sub complements the NOV steering tool capability.nov. The addition of wellbore and annulus pressure sensors to the steering tool suite offers significant operational flexibility and efficiency benefits. The addition of an NGM probe provides directional drillers with readily available formation correlation and target identification information for tighter control. particularly in wells with potential problems as lost circulation. providing enhanced bed boundary marking in many slimhole applications • Provides bed correlation in field appraisal and development drilling for casing point and core point selection • Focused gamma ray options available for customer specific applications • Tool utilizes a scintillation detector. allowing earlier corrections to be made. formation fluid influx. differential sticking.com
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c o r p o r a t e m a r k e t i n g @ n o v. The probe has the same OD as the directional probe (DMU) and can be placed either above or below the DMU within a standard non-magnetic collar.
Pressure and vibration measurements while drilling provide the necessary information for overall motor/bit/rate of penetration performance monitoring as well as overall hydraulics optimization for underbalanced drilling applications. The NGM offers a wide number of benefits over the conventional gamma. c o m
. hole collapse.www. Features • Modular 1¾ inch sonde instrument which couples directly to the Steering Tool assembly (directional + gamma) sensor suite • Real-time annular and drill pipe pressure measurements • Axial and lateral shock/vibration sensors out putting time averaged peak values • Choice of further transducer ratings dependent on customer accuracy and pressure requirements are available • Temperature sensor
www. Applications and benefits
The NGM tool is the industry standard and can form the basis of any downhole directional plus gamma package.com
The RSS Natural Gamma Ray Module (NGM) has been developed to complement its highly successful range of slimhole directional measurement instruments. and poor hole cleaning (cuttings build up). including: • Low cost add-on module with high temperature capability • Provides real-time logging-while-drilling in combination with steering data • Standard interface providing multi-sensor options • The NGM will accurately chart shale bed stratification enabling offset well correlations for better depth control and safer drilling practices within difficult geological environments • Its small size enables the NGM to be run in collars as small as 2.

5. The Steering Tool is fitted into a single
pressure housing of either 13/8 inches or 1¾ inches OD.g.75". 1. The device utilizes a linear hydraulic braking mechanism to arrest the terminal velocity motion of the instrument bearing assembly in a controlled manner. 1. The measurements from these sensors are sent via the Steering Module by way of an insulated wireline power cable to the surface computer. The MUST system offers many advantages for real-time borehole measurements for a variety of drilling applications including under balanced. These sensors enable the azimuth and inclination of the borehole to be accurately measured.375.
Running Gear
NOV offers a substantial range of downhole tool running gear and spares in various sizes to suit your requirements. Applications and benefits • High reliability and reduced operating costs through the use of RSS sensor technology • Survey data while drilling.Downhole Instrumentation Catalog
Downhole Instrumentation (DHI)
Miniature Utility Steering Tool (MUST)
RSS Miniature Utility Steering Tool represents a Wireline Steering Tool for the utility industry. 1. short radius. eliminating the need to stop circulation • Small size eliminates the need for instrument articulation • Superior accuracy due to sensor performance and calibration
• Easy use of PC Windows-based steering and well guidance software • Built-in Quality checking features and system trouble shooting • Versatility of use in both mining and utility applications • Fully configurable to customer requirements • Magnetic interference correction software available • Programmable inclination crossover from magnetic to gravity tool face
Decelerator
NOV’s Decelerator is designed to limit the impact shocks applied to sonde based instrumentation tools which house sensitive electronics and sensors.com
. It is made up of a Directional digital Measurement Unit (DMU) with a steering module acting as a modem link by wireline to surface. and slimhole drilling.. Overall tool length is 24 inches with a data transmission rate of 1200 baud.
Downhole Steering Tool Probe
The Directional Sensor is composed of either an RSS TRAX tri-axial or q-flex accelerometer and fluxgate set. The decelerator is available in 1¾" and 1 3/8" diameter options. c o m
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www. e. • Upper centralizers • Lower centralizers • Landing shock absorbers • Spacer bars – aluminum • Spacer bars – brass • Contact sub assemblies • Pressure barrels (beryllium copper) • Contact springs • Muleshoe stingers • Swivels • Overshots • Rope sockets with fishneck • Top/bottom finger guides • Bulkheads • Bottom plugs with shock absorbers • Decelerators • High temperature heat shields
c o r p o r a t e m a r k e t i n g @ n o v.nov.

In addition. eliminating the timing guess work associated with running mechanical surveys means a more efficient.1°]. • One e-Totco instrument provides all mechanical CVD instrument ranges: (1-1/2°.www.
RigSense® 2.com
e-Totco® Electronic Drift & Temperature Recorder
The e-Totco electronic drift survey tool improves accuracy and offers enhanced reliability and “user friendliness. • Greater Range . and reliable way of optimizing CVD measurements. 8°. No more waiting for a preset clock to take survey.2 Compatible No more printing necessary. 14°. cost effective. it provides a manual depth entry option. Compatible with all industry standard pressure barrels The e-Totco tool is a “drop-in” replacement for all vertical mechanical Controlled Vertical Drift (CVD) instruments.
e-Totco Multishot Reader The e-Totco Multishot Reader data terminal operates on rechargeable NiCad batteries and features an LCD status readout. and three buttons that control the sequence of a survey and allows depth entry. robust electronic package is designed to be used with the rig’s existing running gear. • Operating temperature: 10° to 150° C (50° to 302°F).nov. The integration with RigSense 2.2 removes the necessity to manually fill out reports. or in many other pressure barrels owned by drilling contractors around the world. 7°. a thermal printer. Better resolution than mechanical surveys The e-Totco instrument has an electronic sensing system that produces 0. • Survival temperature: -20° to 165°C ( -4° to 329°F).Up to 20 degrees.com
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c o r p o r a t e m a r k e t i n g @ n o v. Records Downhole Temperature The e-Totco records the wellbore temperature at the survey depth and can be extrapolated to total depth. saving you more time. The compact. 16°. and 20°). including the standard NOV pressure barrel (Go Devil). you can store and access all survey records. Multishot capability allows you to select up to 64 surveys per run by just pushing a button when the Go-Devil reaches desired depth. c o m
. Survey on Demand Push a button and the display will lead you through the survey procedure. which allows correlation of survey measurement and well temperature with corresponding depth on the printed survey ticket.nov.
www.” NOV now offers a Multishot Reader and e-Totco (150°C) tool with significant technological advantages over single shot tools to reduce overall surveying time and costs in drilling vertical boreholes. 3°.05% repeatability of survey records and 1% reading accuracy [±0.